Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5506585990

Certificate GIA 5506585990

Diamond specifications and retailer prices

From $1,162 USD
As of October 30, 2026
Save $2,227 USD (66%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,389 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5506585990. Listed at 20 retailers as of October 30, 2026, with prices from $1,162 to $3,389, a $2,227 spread on the same certified stone. NZ Jewellers lists it at $3,389. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.80
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5506585990
Dimensions5.93 × 5.88 × 3.67 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.93 mm5.88 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5506585990
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,540 USD|Low: $968 USD|High: $2,576 USD|Avg: $1,721 USD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 7$1,162 USD
Retailer 9$1,208 USD
Retailer 6$1,375 USD
Retailer 1$1,540 USD
Retailer 2$1,575 USD
Retailer 3$1,808 USD
Retailer 8$1,813 USD
Retailer 5$2,050 USD
Retailer 10$2,268 USD
Retailer 4$2,558 USD

43 data points across 10 retailers

20 retailers$1,162 USD to $3,389 USD

B+
Cheapest Retailer
-
$1,162 USD
Final sale: no returns
B+
Retailer 2
-
$1,191 USD
View
B+
Retailer 3
-
$1,205 USD
View
B+
Retailer 4
-
$1,208 USD
View
B+
Retailer 5
-
$1,235 USD
View
B+
Retailer 6
-
$1,259 USD
View
B+
Retailer 7
-
$1,307 USD
View
B
Retailer 8
-
$1,375 USD
View
B
Retailer 9
-
$1,452 USD
View
B+
Retailer 10
-
$1,500 USD
View
B+
Retailer 11
-
$1,500 USD
View
B+
Retailer 12
-
$1,540 USD
£1,212 GBP
View
B
Retailer 13
-
$1,550 USD
View
B
Retailer 14
-
$1,575 USD
View
B
Retailer 15
-
$1,808 USD
€1,722 EUR
View
Retailer 16
-
$1,813 USD
A$2,789 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
$2,050 USD
ZAR 33,115 ZAR
View
B
Retailer 18
-
$2,268 USD
CA$3,150 CAD
View
B
Retailer 19
-
$2,558 USD
£2,014 GBP
View
Most Expensive
B
NZ Jewellers
abd4e079-4c0d-4db3-8fbc-485f90a6eab7 · Oct 30
$3,389 USD
View
19 more retailers have this diamond
Prices start from $1,162 USDSave up to $2,227 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.80ct Round
$1,162 USD